Barbarians and technology, maybe they're not such a contradiction after all. It's the bow that nearly brought down Rome, and the suspension system that revolutionized the chariot. Barbarians built the forts that held out invaders, and forged the axe ...

From the swords of barbarian hordes to the guns of the Spanish Empire, Europe's darkest days lasted 1,000 years. After the fall of the Roman Empire, Europe was plunged into chaos for centuries, with mass bloodshed, rampant disease, and vicious carnag...

Every city has its secrets - but who could imagine how many linger below ground, sometimes for thousands of years? Secret passageways, combat tunnels, buried palaces, Mafia escape routes and ammunition depots are just a few of the subterranean surpri...